2018history



1A
1B
MS
1.0 à 2.0
Q1 Option C and D are changed

Q9 Option A  oxidizing agent  undergoes reduction

Q20 option (3) geometrical stereoisomer

1.0 à 2.0
Q1  B  D   
Q18 B  D             
Explanation heptana e-2,4,6-triol
Q23  B   A